414
Client Error
414 URI Too Long
The URI requested by the client is longer than the server is willing to interpret.
Description
414 URI Too Long (formerly called Request-URI Too Long) indicates that the URL provided by the client exceeds the server's maximum allowed length. Most web servers have a default URL length limit between 2,000 and 8,000 characters. This often happens when large amounts of data are passed as GET parameters instead of using a POST body.
Common Causes
- Large search queries or filter sets passed as GET parameters
- Base64-encoded data embedded in the URL
- Recursive URL redirects creating extremely long paths
- Bug in application generating excessively long URLs
How to Fix
- Move large data payloads to the request body with POST
- Store state server-side and use a short ID in the URL
- Paginate or chunk large filter sets
- Review server configuration for maximum URL length limits
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